particularly in the sacred pilgrimage site of Mount Popa, an extinct volcano. Popa langurs, or Trachypithecus popa, belong to the Trachypithecus genus of Old World primates that live throughout ...
The Popa langur -- named for an extinct volcano home to its largest population, some 100 individuals -- has been around for at least a million years, according to a study detailing the find ...